Finding the Fourth Proportional to 236,838.80, 326,827.80 and 129,412.52
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Solution
The fourth proportional to 236,838.80, 326,827.80 and 129,412.52 is: 178,583.95
Step by Step Solution
- Step 1: Write the proportion equation
236,838.80 : 326,827.80 = 129,412.52 : x - Step 2: Convert to fraction form
236,838.80/326,827.80 = 129,412.52/x - Step 3: Cross multiply
236,838.80x = 326,827.80 × 129,412.52 - Step 4: Simplify right side
236,838.80x = 42,295,609,204.06 - Step 5: Solve for x
x = 42,295,609,204.06/236,838.80 - Step 6: Final answer
x = 178,583.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.